package org.o14x.alpha.ui;

import org.eclipse.equinox.app.IApplication;
import org.eclipse.equinox.app.IApplicationContext;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.PlatformUI;
import org.o14x.alpha.ui.controller.UIController;

/**
 * This class controls all aspects of the application's execution.
 */
public class Application implements IApplication {
	/**
	 * The UIController.
	 */
	private UIController uiController;

	/**
	 * The ApplicationWorkbenchAdvisor.
	 */
	private ApplicationWorkbenchAdvisor applicationWorkbenchAdvisor;

	/* (non-Javadoc)
	 * @see org.eclipse.equinox.app.IApplication#start(org.eclipse.equinox.app.IApplicationContext)
	 */
	public Object start(IApplicationContext context) throws Exception {
		Display display = PlatformUI.createDisplay();
		try {
			int returnCode = PlatformUI.createAndRunWorkbench(display, applicationWorkbenchAdvisor);
			if (returnCode == PlatformUI.RETURN_RESTART)
				return IApplication.EXIT_RESTART;
			else
				return IApplication.EXIT_OK;
		} finally {
			display.dispose();
		}

	}

	/* (non-Javadoc)
	 * @see org.eclipse.equinox.app.IApplication#stop()
	 */
	public void stop() {
		final IWorkbench workbench = PlatformUI.getWorkbench();
		if (workbench == null)
			return;
		final Display display = workbench.getDisplay();
		display.syncExec(new Runnable() {
			public void run() {
				if (!display.isDisposed())
					workbench.close();
			}
		});
	}

	/**
	 * Returns the value of uiController.
	 *
	 * @return The value of uiController.
	 */
	public UIController getUiController() {
		return uiController;
	}

	/**
	 * Sets the value of uiController.
	 *
	 * @param uiController The value of uiController to set.
	 */
	public void setUiController(UIController uiController) {
		this.uiController = uiController;
	}

	/**
	 * Returns the value of applicationWorkbenchAdvisor.
	 *
	 * @return The value of applicationWorkbenchAdvisor.
	 */
	public ApplicationWorkbenchAdvisor getApplicationWorkbenchAdvisor() {
		return applicationWorkbenchAdvisor;
	}

	/**
	 * Sets the value of applicationWorkbenchAdvisor.
	 *
	 * @param applicationWorkbenchAdvisor The value of applicationWorkbenchAdvisor to set.
	 */
	public void setApplicationWorkbenchAdvisor(ApplicationWorkbenchAdvisor applicationWorkbenchAdvisor) {
		this.applicationWorkbenchAdvisor = applicationWorkbenchAdvisor;
	}
}
